sl@0: /* ocsp_ext.c */
sl@0: /* Written by Tom Titchener <Tom_Titchener@groove.net> for the OpenSSL
sl@0:  * project. */
sl@0: 
sl@0: /* History:
sl@0:    This file was transfered to Richard Levitte from CertCo by Kathy
sl@0:    Weinhold in mid-spring 2000 to be included in OpenSSL or released
sl@0:    as a patch kit. */
sl@0: 
sl@0: /* ====================================================================
sl@0:  * Copyright (c) 1998-2000 The OpenSSL Project.  All rights reserved.
sl@0:  *
sl@0:  * Redistribution and use in source and binary forms, with or without
sl@0:  * modification, are permitted provided that the following conditions
sl@0:  * are met:
sl@0:  *
sl@0:  * 1. Redistributions of source code must retain the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer. 
sl@0:  *
sl@0:  * 2. Redistributions in binary form must reproduce the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer in
sl@0:  *    the documentation and/or other materials provided with the
sl@0:  *    distribution.
sl@0:  *
sl@0:  * 3. All advertising materials mentioning features or use of this
sl@0:  *    software must display the following acknowledgment:
sl@0:  *    "This product includes software developed by the OpenSSL Project
sl@0:  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
sl@0:  *
sl@0:  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
sl@0:  *    endorse or promote products derived from this software without
sl@0:  *    prior written permission. For written permission, please contact
sl@0:  *    openssl-core@openssl.org.
sl@0:  *
sl@0:  * 5. Products derived from this software may not be called "OpenSSL"
sl@0:  *    nor may "OpenSSL" appear in their names without prior written
sl@0:  *    permission of the OpenSSL Project.
sl@0:  *
sl@0:  * 6. Redistributions of any form whatsoever must retain the following
sl@0:  *    acknowledgment:
sl@0:  *    "This product includes software developed by the OpenSSL Project
sl@0:  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
sl@0:  *
sl@0:  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
sl@0:  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
sl@0:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
sl@0:  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
sl@0:  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
sl@0:  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
sl@0:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
sl@0:  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
sl@0:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
sl@0:  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
sl@0:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
sl@0:  * OF THE POSSIBILITY OF SUCH DAMAGE.
sl@0:  * ====================================================================
sl@0:  *
sl@0:  * This product includes cryptographic software written by Eric Young
sl@0:  * (eay@cryptsoft.com).  This product includes software written by Tim
sl@0:  * Hudson (tjh@cryptsoft.com).
sl@0:  *
sl@0:  */
sl@0: 
sl@0: #include <stdio.h>
sl@0: #include <cryptlib.h>
sl@0: #include <openssl/objects.h>
sl@0: #include <openssl/x509.h>
sl@0: #include <openssl/ocsp.h>
sl@0: #include <openssl/rand.h>
sl@0: #include <openssl/x509v3.h>
sl@0: 
sl@0: /* Standard wrapper functions for extensions */
sl@0: 
sl@0: /* OCSP request extensions */
sl@0: 
sl@0: EXPORT_C int OCSP_REQUEST_get_ext_count(OCSP_REQUEST *x)
sl@0: 	{
sl@0: 	return(X509v3_get_ext_count(x->tbsRequest->requestExtensions));
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int OCSP_REQUEST_get_ext_by_NID(OCSP_REQUEST *x, int nid, int lastpos)
sl@0: 	{
sl@0: 	return(X509v3_get_ext_by_NID(x->tbsRequest->requestExtensions,nid,lastpos));
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int OCSP_REQUEST_get_ext_by_OBJ(OCSP_REQUEST *x, ASN1_OBJECT *obj, int lastpos)
sl@0: 	{
sl@0: 	return(X509v3_get_ext_by_OBJ(x->tbsRequest->requestExtensions,obj,lastpos));
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int OCSP_REQUEST_get_ext_by_critical(OCSP_REQUEST *x, int crit, int lastpos)
sl@0: 	{
sl@0: 	return(X509v3_get_ext_by_critical(x->tbsRequest->requestExtensions,crit,lastpos));
sl@0: 	}
sl@0: 
sl@0: EXPORT_C X509_EXTENSION *OCSP_REQUEST_get_ext(OCSP_REQUEST *x, int loc)
sl@0: 	{
sl@0: 	return(X509v3_get_ext(x->tbsRequest->requestExtensions,loc));
sl@0: 	}
sl@0: 
sl@0: EXPORT_C X509_EXTENSION *OCSP_REQUEST_delete_ext(OCSP_REQUEST *x, int loc)
sl@0: 	{
sl@0: 	return(X509v3_delete_ext(x->tbsRequest->requestExtensions,loc));
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void *OCSP_REQUEST_get1_ext_d2i(OCSP_REQUEST *x, int nid, int *crit, int *idx)
sl@0: 	{
sl@0: 	return X509V3_get_d2i(x->tbsRequest->requestExtensions, nid, crit, idx);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int OCSP_REQUEST_add1_ext_i2d(OCSP_REQUEST *x, int nid, void *value, int crit,
sl@0: 							unsigned long flags)
sl@0: 	{
sl@0: 	return X509V3_add1_i2d(&x->tbsRequest->requestExtensions, nid, value, crit, flags);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int OCSP_REQUEST_add_ext(OCSP_REQUEST *x, X509_EXTENSION *ex, int loc)
sl@0: 	{
sl@0: 	return(X509v3_add_ext(&(x->tbsRequest->requestExtensions),ex,loc) != NULL);
sl@0: 	}
sl@0: 
sl@0: /* Single extensions */
sl@0: 
sl@0: EXPORT_C int OCSP_ONEREQ_get_ext_count(OCSP_ONEREQ *x)
sl@0: 	{
sl@0: 	return(X509v3_get_ext_count(x->singleRequestExtensions));
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int OCSP_ONEREQ_get_ext_by_NID(OCSP_ONEREQ *x, int nid, int lastpos)
sl@0: 	{
sl@0: 	return(X509v3_get_ext_by_NID(x->singleRequestExtensions,nid,lastpos));
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int OCSP_ONEREQ_get_ext_by_OBJ(OCSP_ONEREQ *x, ASN1_OBJECT *obj, int lastpos)
sl@0: 	{
sl@0: 	return(X509v3_get_ext_by_OBJ(x->singleRequestExtensions,obj,lastpos));
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int OCSP_ONEREQ_get_ext_by_critical(OCSP_ONEREQ *x, int crit, int lastpos)
sl@0: 	{
sl@0: 	return(X509v3_get_ext_by_critical(x->singleRequestExtensions,crit,lastpos));
sl@0: 	}
sl@0: 
sl@0: EXPORT_C X509_EXTENSION *OCSP_ONEREQ_get_ext(OCSP_ONEREQ *x, int loc)
sl@0: 	{
sl@0: 	return(X509v3_get_ext(x->singleRequestExtensions,loc));
sl@0: 	}
sl@0: 
sl@0: EXPORT_C X509_EXTENSION *OCSP_ONEREQ_delete_ext(OCSP_ONEREQ *x, int loc)
sl@0: 	{
sl@0: 	return(X509v3_delete_ext(x->singleRequestExtensions,loc));
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void *OCSP_ONEREQ_get1_ext_d2i(OCSP_ONEREQ *x, int nid, int *crit, int *idx)
sl@0: 	{
sl@0: 	return X509V3_get_d2i(x->singleRequestExtensions, nid, crit, idx);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int OCSP_ONEREQ_add1_ext_i2d(OCSP_ONEREQ *x, int nid, void *value, int crit,
sl@0: 							unsigned long flags)
sl@0: 	{
sl@0: 	return X509V3_add1_i2d(&x->singleRequestExtensions, nid, value, crit, flags);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int OCSP_ONEREQ_add_ext(OCSP_ONEREQ *x, X509_EXTENSION *ex, int loc)
sl@0: 	{
sl@0: 	return(X509v3_add_ext(&(x->singleRequestExtensions),ex,loc) != NULL);
sl@0: 	}
sl@0: 
sl@0: /* OCSP Basic response */
sl@0: 
sl@0: EXPORT_C int OCSP_BASICRESP_get_ext_count(OCSP_BASICRESP *x)
sl@0: 	{
sl@0: 	return(X509v3_get_ext_count(x->tbsResponseData->responseExtensions));
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int OCSP_BASICRESP_get_ext_by_NID(OCSP_BASICRESP *x, int nid, int lastpos)
sl@0: 	{
sl@0: 	return(X509v3_get_ext_by_NID(x->tbsResponseData->responseExtensions,nid,lastpos));
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int OCSP_BASICRESP_get_ext_by_OBJ(OCSP_BASICRESP *x, ASN1_OBJECT *obj, int lastpos)
sl@0: 	{
sl@0: 	return(X509v3_get_ext_by_OBJ(x->tbsResponseData->responseExtensions,obj,lastpos));
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int OCSP_BASICRESP_get_ext_by_critical(OCSP_BASICRESP *x, int crit, int lastpos)
sl@0: 	{
sl@0: 	return(X509v3_get_ext_by_critical(x->tbsResponseData->responseExtensions,crit,lastpos));
sl@0: 	}
sl@0: 
sl@0: EXPORT_C X509_EXTENSION *OCSP_BASICRESP_get_ext(OCSP_BASICRESP *x, int loc)
sl@0: 	{
sl@0: 	return(X509v3_get_ext(x->tbsResponseData->responseExtensions,loc));
sl@0: 	}
sl@0: 
sl@0: EXPORT_C X509_EXTENSION *OCSP_BASICRESP_delete_ext(OCSP_BASICRESP *x, int loc)
sl@0: 	{
sl@0: 	return(X509v3_delete_ext(x->tbsResponseData->responseExtensions,loc));
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void *OCSP_BASICRESP_get1_ext_d2i(OCSP_BASICRESP *x, int nid, int *crit, int *idx)
sl@0: 	{
sl@0: 	return X509V3_get_d2i(x->tbsResponseData->responseExtensions, nid, crit, idx);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int OCSP_BASICRESP_add1_ext_i2d(OCSP_BASICRESP *x, int nid, void *value, int crit,
sl@0: 							unsigned long flags)
sl@0: 	{
sl@0: 	return X509V3_add1_i2d(&x->tbsResponseData->responseExtensions, nid, value, crit, flags);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int OCSP_BASICRESP_add_ext(OCSP_BASICRESP *x, X509_EXTENSION *ex, int loc)
sl@0: 	{
sl@0: 	return(X509v3_add_ext(&(x->tbsResponseData->responseExtensions),ex,loc) != NULL);
sl@0: 	}
sl@0: 
sl@0: /* OCSP single response extensions */
sl@0: 
sl@0: EXPORT_C int OCSP_SINGLERESP_get_ext_count(OCSP_SINGLERESP *x)
sl@0: 	{
sl@0: 	return(X509v3_get_ext_count(x->singleExtensions));
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int OCSP_SINGLERESP_get_ext_by_NID(OCSP_SINGLERESP *x, int nid, int lastpos)
sl@0: 	{
sl@0: 	return(X509v3_get_ext_by_NID(x->singleExtensions,nid,lastpos));
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int OCSP_SINGLERESP_get_ext_by_OBJ(OCSP_SINGLERESP *x, ASN1_OBJECT *obj, int lastpos)
sl@0: 	{
sl@0: 	return(X509v3_get_ext_by_OBJ(x->singleExtensions,obj,lastpos));
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int OCSP_SINGLERESP_get_ext_by_critical(OCSP_SINGLERESP *x, int crit, int lastpos)
sl@0: 	{
sl@0: 	return(X509v3_get_ext_by_critical(x->singleExtensions,crit,lastpos));
sl@0: 	}
sl@0: 
sl@0: EXPORT_C X509_EXTENSION *OCSP_SINGLERESP_get_ext(OCSP_SINGLERESP *x, int loc)
sl@0: 	{
sl@0: 	return(X509v3_get_ext(x->singleExtensions,loc));
sl@0: 	}
sl@0: 
sl@0: EXPORT_C X509_EXTENSION *OCSP_SINGLERESP_delete_ext(OCSP_SINGLERESP *x, int loc)
sl@0: 	{
sl@0: 	return(X509v3_delete_ext(x->singleExtensions,loc));
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void *OCSP_SINGLERESP_get1_ext_d2i(OCSP_SINGLERESP *x, int nid, int *crit, int *idx)
sl@0: 	{
sl@0: 	return X509V3_get_d2i(x->singleExtensions, nid, crit, idx);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int OCSP_SINGLERESP_add1_ext_i2d(OCSP_SINGLERESP *x, int nid, void *value, int crit,
sl@0: 							unsigned long flags)
sl@0: 	{
sl@0: 	return X509V3_add1_i2d(&x->singleExtensions, nid, value, crit, flags);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int OCSP_SINGLERESP_add_ext(OCSP_SINGLERESP *x, X509_EXTENSION *ex, int loc)
sl@0: 	{
sl@0: 	return(X509v3_add_ext(&(x->singleExtensions),ex,loc) != NULL);
sl@0: 	}
sl@0: 
sl@0: /* also CRL Entry Extensions */
sl@0: 
sl@0: EXPORT_C ASN1_STRING *ASN1_STRING_encode(ASN1_STRING *s, i2d_of_void *i2d,
sl@0: 				void *data, STACK_OF(ASN1_OBJECT) *sk)
sl@0:         {
sl@0: 	int i;
sl@0: 	unsigned char *p, *b = NULL;
sl@0: 
sl@0: 	if (data)
sl@0: 	        {
sl@0: 		if ((i=i2d(data,NULL)) <= 0) goto err;
sl@0: 		if (!(b=p=OPENSSL_malloc((unsigned int)i)))
sl@0: 			goto err;
sl@0: 	        if (i2d(data, &p) <= 0) goto err;
sl@0: 		}
sl@0: 	else if (sk)
sl@0: 	        {
sl@0: 		if ((i=i2d_ASN1_SET_OF_ASN1_OBJECT(sk,NULL,
sl@0: 						   (I2D_OF(ASN1_OBJECT))i2d,
sl@0: 						   V_ASN1_SEQUENCE,
sl@0: 						   V_ASN1_UNIVERSAL,
sl@0: 						   IS_SEQUENCE))<=0) goto err;
sl@0: 		if (!(b=p=OPENSSL_malloc((unsigned int)i)))
sl@0: 			goto err;
sl@0: 		if (i2d_ASN1_SET_OF_ASN1_OBJECT(sk,&p,(I2D_OF(ASN1_OBJECT))i2d,
sl@0: 						V_ASN1_SEQUENCE,
sl@0: 						V_ASN1_UNIVERSAL,
sl@0: 						IS_SEQUENCE)<=0) goto err;
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		OCSPerr(OCSP_F_ASN1_STRING_ENCODE,OCSP_R_BAD_DATA);
sl@0: 		goto err;
sl@0: 		}
sl@0: 	if (!s && !(s = ASN1_STRING_new())) goto err;
sl@0: 	if (!(ASN1_STRING_set(s, b, i))) goto err;
sl@0: 	OPENSSL_free(b);
sl@0: 	return s;
sl@0: err:
sl@0: 	if (b) OPENSSL_free(b);
sl@0: 	return NULL;
sl@0: 	}
sl@0: 
sl@0: /* Nonce handling functions */
sl@0: 
sl@0: /* Add a nonce to an extension stack. A nonce can be specificed or if NULL
sl@0:  * a random nonce will be generated.
sl@0:  * Note: OpenSSL 0.9.7d and later create an OCTET STRING containing the 
sl@0:  * nonce, previous versions used the raw nonce.
sl@0:  */
sl@0: 
sl@0: static int ocsp_add1_nonce(STACK_OF(X509_EXTENSION) **exts, unsigned char *val, int len)
sl@0: 	{
sl@0: 	unsigned char *tmpval;
sl@0: 	ASN1_OCTET_STRING os;
sl@0: 	int ret = 0;
sl@0: 	if (len <= 0) len = OCSP_DEFAULT_NONCE_LENGTH;
sl@0: 	/* Create the OCTET STRING manually by writing out the header and
sl@0: 	 * appending the content octets. This avoids an extra memory allocation
sl@0: 	 * operation in some cases. Applications should *NOT* do this because
sl@0:          * it relies on library internals.
sl@0: 	 */
sl@0: 	os.length = ASN1_object_size(0, len, V_ASN1_OCTET_STRING);
sl@0: 	os.data = OPENSSL_malloc(os.length);
sl@0: 	if (os.data == NULL)
sl@0: 		goto err;
sl@0: 	tmpval = os.data;
sl@0: 	ASN1_put_object(&tmpval, 0, len, V_ASN1_OCTET_STRING, V_ASN1_UNIVERSAL);
sl@0: 	if (val)
sl@0: 		memcpy(tmpval, val, len);
sl@0: 	else
sl@0: 		RAND_pseudo_bytes(tmpval, len);
sl@0: 	if(!X509V3_add1_i2d(exts, NID_id_pkix_OCSP_Nonce,
sl@0: 			&os, 0, X509V3_ADD_REPLACE))
sl@0: 				goto err;
sl@0: 	ret = 1;
sl@0: 	err:
sl@0: 	if (os.data)
sl@0: 		OPENSSL_free(os.data);
sl@0: 	return ret;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: /* Add nonce to an OCSP request */
sl@0: 
sl@0: EXPORT_C int OCSP_request_add1_nonce(OCSP_REQUEST *req, unsigned char *val, int len)
sl@0: 	{
sl@0: 	return ocsp_add1_nonce(&req->tbsRequest->requestExtensions, val, len);
sl@0: 	}
sl@0: 
sl@0: /* Same as above but for a response */
sl@0: 
sl@0: EXPORT_C int OCSP_basic_add1_nonce(OCSP_BASICRESP *resp, unsigned char *val, int len)
sl@0: 	{
sl@0: 	return ocsp_add1_nonce(&resp->tbsResponseData->responseExtensions, val, len);
sl@0: 	}
sl@0: 
sl@0: /* Check nonce validity in a request and response.
sl@0:  * Return value reflects result:
sl@0:  *  1: nonces present and equal.
sl@0:  *  2: nonces both absent.
sl@0:  *  3: nonce present in response only.
sl@0:  *  0: nonces both present and not equal.
sl@0:  * -1: nonce in request only.
sl@0:  *
sl@0:  *  For most responders clients can check return > 0.
sl@0:  *  If responder doesn't handle nonces return != 0 may be
sl@0:  *  necessary. return == 0 is always an error.
sl@0:  */
sl@0: 
sl@0: EXPORT_C int OCSP_check_nonce(OCSP_REQUEST *req, OCSP_BASICRESP *bs)
sl@0: 	{
sl@0: 	/*
sl@0: 	 * Since we are only interested in the presence or absence of
sl@0: 	 * the nonce and comparing its value there is no need to use
sl@0: 	 * the X509V3 routines: this way we can avoid them allocating an
sl@0: 	 * ASN1_OCTET_STRING structure for the value which would be
sl@0: 	 * freed immediately anyway.
sl@0: 	 */
sl@0: 
sl@0: 	int req_idx, resp_idx;
sl@0: 	X509_EXTENSION *req_ext, *resp_ext;
sl@0: 	req_idx = OCSP_REQUEST_get_ext_by_NID(req, NID_id_pkix_OCSP_Nonce, -1);
sl@0: 	resp_idx = OCSP_BASICRESP_get_ext_by_NID(bs, NID_id_pkix_OCSP_Nonce, -1);
sl@0: 	/* Check both absent */
sl@0: 	if((req_idx < 0) && (resp_idx < 0))
sl@0: 		return 2;
sl@0: 	/* Check in request only */
sl@0: 	if((req_idx >= 0) && (resp_idx < 0))
sl@0: 		return -1;
sl@0: 	/* Check in response but not request */
sl@0: 	if((req_idx < 0) && (resp_idx >= 0))
sl@0: 		return 3;
sl@0: 	/* Otherwise nonce in request and response so retrieve the extensions */
sl@0: 	req_ext = OCSP_REQUEST_get_ext(req, req_idx);
sl@0: 	resp_ext = OCSP_BASICRESP_get_ext(bs, resp_idx);
sl@0: 	if(ASN1_OCTET_STRING_cmp(req_ext->value, resp_ext->value))
sl@0: 		return 0;
sl@0: 	return 1;
sl@0: 	}
sl@0: 
sl@0: /* Copy the nonce value (if any) from an OCSP request to 
sl@0:  * a response.
sl@0:  */
sl@0: 
sl@0: EXPORT_C int OCSP_copy_nonce(OCSP_BASICRESP *resp, OCSP_REQUEST *req)
sl@0: 	{
sl@0: 	X509_EXTENSION *req_ext;
sl@0: 	int req_idx;
sl@0: 	/* Check for nonce in request */
sl@0: 	req_idx = OCSP_REQUEST_get_ext_by_NID(req, NID_id_pkix_OCSP_Nonce, -1);
sl@0: 	/* If no nonce that's OK */
sl@0: 	if (req_idx < 0) return 2;
sl@0: 	req_ext = OCSP_REQUEST_get_ext(req, req_idx);
sl@0: 	return OCSP_BASICRESP_add_ext(resp, req_ext, -1);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C X509_EXTENSION *OCSP_crlID_new(char *url, long *n, char *tim)
sl@0:         {
sl@0: 	X509_EXTENSION *x = NULL;
sl@0: 	OCSP_CRLID *cid = NULL;
sl@0: 	
sl@0: 	if (!(cid = OCSP_CRLID_new())) goto err;
sl@0: 	if (url)
sl@0: 	        {
sl@0: 		if (!(cid->crlUrl = ASN1_IA5STRING_new())) goto err;
sl@0: 		if (!(ASN1_STRING_set(cid->crlUrl, url, -1))) goto err;
sl@0: 		}
sl@0: 	if (n)
sl@0: 	        {
sl@0: 		if (!(cid->crlNum = ASN1_INTEGER_new())) goto err;
sl@0: 		if (!(ASN1_INTEGER_set(cid->crlNum, *n))) goto err;
sl@0: 		}
sl@0: 	if (tim)
sl@0: 	        {
sl@0: 		if (!(cid->crlTime = ASN1_GENERALIZEDTIME_new())) goto err;
sl@0: 		if (!(ASN1_GENERALIZEDTIME_set_string(cid->crlTime, tim))) 
sl@0: 		        goto err;
sl@0: 		}
sl@0: 	if (!(x = X509_EXTENSION_new())) goto err;
sl@0: 	if (!(x->object = OBJ_nid2obj(NID_id_pkix_OCSP_CrlID))) goto err;
sl@0: 	if (!(ASN1_STRING_encode_of(OCSP_CRLID,x->value,i2d_OCSP_CRLID,cid,
sl@0: 				    NULL)))
sl@0: 	        goto err;
sl@0: 	OCSP_CRLID_free(cid);
sl@0: 	return x;
sl@0: err:
sl@0: 	if (x) X509_EXTENSION_free(x);
sl@0: 	if (cid) OCSP_CRLID_free(cid);
sl@0: 	return NULL;
sl@0: 	}
sl@0: 
sl@0: /*   AcceptableResponses ::= SEQUENCE OF OBJECT IDENTIFIER */
sl@0: EXPORT_C X509_EXTENSION *OCSP_accept_responses_new(char **oids)
sl@0:         {
sl@0: 	int nid;
sl@0: 	STACK_OF(ASN1_OBJECT) *sk = NULL;
sl@0: 	ASN1_OBJECT *o = NULL;
sl@0:         X509_EXTENSION *x = NULL;
sl@0: 
sl@0: 	if (!(sk = sk_ASN1_OBJECT_new_null())) goto err;
sl@0: 	while (oids && *oids)
sl@0: 	        {
sl@0: 		if ((nid=OBJ_txt2nid(*oids))!=NID_undef&&(o=OBJ_nid2obj(nid))) 
sl@0: 		        sk_ASN1_OBJECT_push(sk, o);
sl@0: 		oids++;
sl@0: 		}
sl@0: 	if (!(x = X509_EXTENSION_new())) goto err;
sl@0: 	if (!(x->object = OBJ_nid2obj(NID_id_pkix_OCSP_acceptableResponses)))
sl@0: 		goto err;
sl@0: 	if (!(ASN1_STRING_encode_of(ASN1_OBJECT,x->value,i2d_ASN1_OBJECT,NULL,
sl@0: 				    sk)))
sl@0: 	        goto err;
sl@0: 	sk_ASN1_OBJECT_pop_free(sk, ASN1_OBJECT_free);
sl@0: 	return x;
sl@0: err:
sl@0: 	if (x) X509_EXTENSION_free(x);
sl@0: 	if (sk) sk_ASN1_OBJECT_pop_free(sk, ASN1_OBJECT_free);
sl@0: 	return NULL;
sl@0:         }
sl@0: 
sl@0: /*  ArchiveCutoff ::= GeneralizedTime */
sl@0: EXPORT_C X509_EXTENSION *OCSP_archive_cutoff_new(char* tim)
sl@0:         {
sl@0: 	X509_EXTENSION *x=NULL;
sl@0: 	ASN1_GENERALIZEDTIME *gt = NULL;
sl@0: 
sl@0: 	if (!(gt = ASN1_GENERALIZEDTIME_new())) goto err;
sl@0: 	if (!(ASN1_GENERALIZEDTIME_set_string(gt, tim))) goto err;
sl@0: 	if (!(x = X509_EXTENSION_new())) goto err;
sl@0: 	if (!(x->object=OBJ_nid2obj(NID_id_pkix_OCSP_archiveCutoff)))goto err;
sl@0: 	if (!(ASN1_STRING_encode_of(ASN1_GENERALIZEDTIME,x->value,
sl@0: 				    i2d_ASN1_GENERALIZEDTIME,gt,NULL))) goto err;
sl@0: 	ASN1_GENERALIZEDTIME_free(gt);
sl@0: 	return x;
sl@0: err:
sl@0: 	if (gt) ASN1_GENERALIZEDTIME_free(gt);
sl@0: 	if (x) X509_EXTENSION_free(x);
sl@0: 	return NULL;
sl@0: 	}
sl@0: 
sl@0: /* per ACCESS_DESCRIPTION parameter are oids, of which there are currently
sl@0:  * two--NID_ad_ocsp, NID_id_ad_caIssuers--and GeneralName value.  This
sl@0:  * method forces NID_ad_ocsp and uniformResourceLocator [6] IA5String.
sl@0:  */
sl@0: EXPORT_C X509_EXTENSION *OCSP_url_svcloc_new(X509_NAME* issuer, char **urls)
sl@0:         {
sl@0: 	X509_EXTENSION *x = NULL;
sl@0: 	ASN1_IA5STRING *ia5 = NULL;
sl@0: 	OCSP_SERVICELOC *sloc = NULL;
sl@0: 	ACCESS_DESCRIPTION *ad = NULL;
sl@0: 	
sl@0: 	if (!(sloc = OCSP_SERVICELOC_new())) goto err;
sl@0: 	if (!(sloc->issuer = X509_NAME_dup(issuer))) goto err;
sl@0: 	if (urls && *urls && !(sloc->locator = sk_ACCESS_DESCRIPTION_new_null())) goto err;
sl@0: 	while (urls && *urls)
sl@0: 	        {
sl@0: 		if (!(ad = ACCESS_DESCRIPTION_new())) goto err;
sl@0: 		if (!(ad->method=OBJ_nid2obj(NID_ad_OCSP))) goto err;
sl@0: 		if (!(ad->location = GENERAL_NAME_new())) goto err;
sl@0: 	        if (!(ia5 = ASN1_IA5STRING_new())) goto err;
sl@0: 		if (!ASN1_STRING_set((ASN1_STRING*)ia5, *urls, -1)) goto err;
sl@0: 		ad->location->type = GEN_URI;
sl@0: 		ad->location->d.ia5 = ia5;
sl@0: 		if (!sk_ACCESS_DESCRIPTION_push(sloc->locator, ad)) goto err;
sl@0: 		urls++;
sl@0: 		}
sl@0: 	if (!(x = X509_EXTENSION_new())) goto err;
sl@0: 	if (!(x->object = OBJ_nid2obj(NID_id_pkix_OCSP_serviceLocator))) 
sl@0: 	        goto err;
sl@0: 	if (!(ASN1_STRING_encode_of(OCSP_SERVICELOC,x->value,
sl@0: 				    i2d_OCSP_SERVICELOC,sloc,NULL))) goto err;
sl@0: 	OCSP_SERVICELOC_free(sloc);
sl@0: 	return x;
sl@0: err:
sl@0: 	if (x) X509_EXTENSION_free(x);
sl@0: 	if (sloc) OCSP_SERVICELOC_free(sloc);
sl@0: 	return NULL;
sl@0: 	}
sl@0: